Date: Feb 24, 2008 5:41 PM
Subject: Re: discrete structures
In article <email@example.com>,
quasi <firstname.lastname@example.org> wrote:
>On Sun, 24 Feb 2008 16:45:23 EST, Nichole <email@example.com> wrote:
>>(a) Let n and a be positive integers with gcd(a, n)=1. Prove that the equation a x?1(mod n) has a solution.
>> (b) Solve 271 x ? 1 (mod 1003)
>> (c) Solve 7008x ? 1(mod 7919)
>>any ideas or thoughts??
>For part (a), here's an outline ...
>(1) Define f: Z_n to Z_n by f(x) = a*x.
Geez, too much, and for all you know the poster does not even know
what Z_n means. How about using what you suggest for (b) and (c), and
then using (a) for (b) and (c)?
>For parts (b) and (c), read up on the Euclidean algorithm. Using the
"It's not denial. I'm just very selective about
what I accept as reality."
--- Calvin ("Calvin and Hobbes" by Bill Watterson)